1) This is my first (and possibly last) post on these boards (I'm more of a lurker) and 2) Rats, someone took 4 of my big ones ( Musashi, Sun-Tzu, Diagram and Stone), I'll have to use lots of others (and hope that I didn't miss any duplications):
237: Man, Myth and Magic- An Illustrated Encyclopedia of the Supernatural, Vols 1-24, Richard Cavendish, Editor
238: Knights by Andrea Hopkins
239: The Encyclopedia of Prehistoric Life, Rodney Steel & Anthony Harvey, Editors
240: Ancient Inventions by Peter James and Nick Thorpe
241: The Craft of The Japanese Sword by Leon & Hiroko Kapp and Yoshindo Yoshihara
242: Anathema! Medieval Scribes and the History of Book Curses by Marc Drogin
243: The Discovery of King Arthur by Geoffry Ashe
244: The Complete Wilderness Training Book by Hugh McManners
245: America B.C. by Barry Fell
246: The Twelfth Planet by Zecharia Sitchin
247: The Vampire by Montague Summers
248: The Dinosaur Heresies by Robert Bakker
249: Superstition and Force: Torture, Ordeal, and Trial by Combat in Medieval Law by Henry C. Lea
250: The Timetables of History by Bernard Grun
251: The Book of Woodcraft by Ernest Thompson Seton
252: The Encyclopedia of Witchcraft and Demonology by Rossel Hope Robbins
253: Designer's Guide to Samurai Patterns by Jeanne Allen
254: Lost Continents -- The Atlantis Theme in History, Science, and Literature by L. Sprague de Camp
255: Medieval Warfare by Terrance Wise
256: Mysteries of the Past by Lionel Casson, Robert Claiborne, Brian Fagan and Walter Karp
257: A Guide to the Gods (An Essential Guide to World Mythology) by Richard Carlyon
[Edited because I'm a big dummy.]